云计算的最大意义在于降低了创新的门槛。
The greatest significance of cloud computing is that it lowers the threshold of innovation.
One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.
不学习历史的人注定要重复错误。
有其父，必有其子。